Condensed Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015	Jan. 31, 2014
Condensed Consolidated Statements Of Comprehensive Income [Abstract]
Net earnings	$ 49,530	$ 58,340	$ 105,477	$ 119,932
Foreign currency translation loss	(53,714)	(18,302)	(96,539)	(5,108)
Net gain (loss) on hedging derivatives, net of deferred taxes of $(102), ($61), ($665) and $39, respectively	159	108	1,195	(64)
Pension and postretirement liability adjustment, net of deferred taxes of $2,550, $2,585, $3,896, and $4,372, respectively	7,386	4,044	12,276	7,270
Total comprehensive income	$ 3,361	$ 44,190	$ 22,409	$ 122,030